Activiti in Action

Tom Baeyens & Joram Barrez

Activiti in Action

Tom Baeyens & Joram Barrez

14 december 2010

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ECM + BPM ECM + BPM

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BPMN 2.0BPMN 2.0

● OMG standard● Shapes● Execution

semantics● File format

● Membership

● First pure play BPM standard

● General endorsement● General endorsement

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Activiti In EvolutionActiviti In Evolution

DSLsDSLs

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Activiti & JavaActiviti & Java

● Out-of-the-box● Control flow● Functional

activity types● Everything you

exect in a typical BPM SystemBPM System

● But…● Not limited to out of the box● Not limited to out of the box

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Activiti is an Embeddable Process Engine

Activiti is an Embeddable Process Enginegg

.jarAny JavaEnvironmentEnvironment

Oracle || MySQL || PostgreSQL || Any DB…

Executions HistoryProcesses

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Executions HistoryProcesses

Your Domain Tables

Activiti Embeds In Your AppActiviti Embeds In Your App

● Embeds in • Your database• Your transaction

Your domain model• Your domain model• Your tests• Your Spring configurationYour Spring configuration

TomcatJDK 5

Activiti YourApp

JBoss…

Oracle, MySQL, PostgreSQLpp

Spring

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CommunityCommunity

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CommunityCommunity

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The past …The past …

jBPM 3

jBPM 4

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TodayToday

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What do you get?What do you get?

● World-class rock-solid BPM and workflow engine g

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Not only the engine?Not only the engine?

Activiti Modeler

Java ApplicationsJava Applications

Activiti Designer

Activiti Probe

Activiti EngineActiviti Engine

Activiti Explorer

EngineEngine

Activiti Cycle

p

REST interfaceCycle

iPhoneExploreriPhoneExplorer

AndroidExplorerAndroidExplorer

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Activiti ModelerActiviti Modeler

● Webbased BPMN 2.0 graphical editor g p

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Activiti ExplorerActiviti Explorer

● Task management

● Process instance inspection, reporting

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Activiti ProbeActiviti Probe

● System admin functionality y y

● Status overview, stuck jobs, exception inspection, logs, …

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Activiti CycleActiviti Cycle

● BPM collaboration … done rightg

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Activiti REST APIActiviti REST API

• Remote communication regardless of the technology

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Activiti Eclipse designerActiviti Eclipse designer

• Activiti extension support, BPMN 2.0 validation, hierarchical modeling

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Activiti Eclipse designerActiviti Eclipse designer

• Pluggable activity support

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Activiti & IPhoneActiviti & IPhone

• Mobile BPM == natural evolution of doing work• Android client coming up!

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Activiti Grails integrationActiviti Grails integration

• Grails convience capabilitiesT i l fi i• Typical configuration

• Easy business archive deploymentG t t ll / i / l• Generate controllers/view/example app

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Hello WorldHello World

Activiti Modeler, MS Visio,MS Visio,Aris, (Oracle)

<process id=”helloWorldProcess" name=“My first process">

<startEvent id="theStart" /><sequenceFlow id="flow1" sourceRef="theStart" targetRef="theTask" />sequenceFlow id flow1 sourceRef theStart targetRef theTask /<userTask id="theTask" name="my task" /> <sequenceFlow id="flow2" sourceRef="theTask" targetRef="theEnd" /><endEvent id="theEnd" />

</process>

ProcessEngine engine= new ProcessEngineBuilder()ProcessEngine engine= new ProcessEngineBuilder().configureFromResource(“activiti.cfg.xml”).buildProcessEngine();

engine getRuntimeService() startProcessInstanceByKey(“helloWorldProcess”);

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engine.getRuntimeService().startProcessInstanceByKey( helloWorldProcess );Task task = engine.getTaskService().createTaskQuery().singleResult();Engine.getTaskService().complete(task.getId());

Real‐life demoReal‐life demo

• Use case: banks shouldn’t lend money to just anybody• Thorough analysis is needed• All steps needs to be recorded in official documents• Decisions are done based on Excel decision tables

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The mortgage processThe mortgage process

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The mortgage processThe mortgage process

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The mortgage processThe mortgage process

= CMIS call

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The power of JavaThe power of Java

Out‐of‐the‐box

Custom Java

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The power of JavaThe power of Java

public class CreateLoanApplicationDocument implements JavaDelegation {

public void execute(DelegateExecution execution) {p ( g ) {

Session session = CmisUtil.createCmisSession("admin", "admin", Constants.ALFRESCO_URL); Folder folder = CmisUtil.getFolder(session, Constants.LOAN_APPLICATION_STORAGE_FOLDER);

Document document = createWordDocument(session, folder, execution); storeDocumentReferencesAsProcessVariables(execution, folder, document);

session save();

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session.save();}

The cool stuffThe cool stuff

• That didn’t make it in the demo• But is just too cool not to show you

• Unit test supportUnit test support• Query API

Spring integration• Spring integration• Method expressions• JPA integration

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Unit testing your processesUnit testing your processes

• With Activiti, business processes• Live and breath along your regular app code• Should be tested just the same!Should be tested just the same!

• Typical BPM vendor & testing

• Activiti supports Junit 3 & 4 and offers lots of ct t suppo ts Ju t 3 & a d o e s ots oconvience while testing

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Query APIQuery API

• No need to learn the intern data model P f l d if API• Powerful and uniform query API

• Deployments and process definitionsrepositoryService createProcessDefinitionQuery keyLike(“%mortgage%”) latest();

• Process instances and executionsrepositoryService.createProcessDefinitionQuery.keyLike( %mortgage% ).latest();

runtimeService createProcessInstanceQuery

• History

runtimeService.createProcessInstanceQuery.processDefinitionKey(“mortgage-process)”.orderByProcessInstanceId().desc();

historyService.createHistoricActivityQuery().processDefinitionId(procDefId)

• Variables

historyService.createHistoricActivityQuery().processDefinitionId(procDefId).activityType(“userTask”).orderByDuration().asc();

runtimeService.createProcessInstanceQuery()

• Tasks jobs users groups historic activities/process

Q y().variableValueGreaterThan(“amount”, 50000);

• Tasks, jobs, users, groups, historic activities/process instances/variables, …

Spring integrationSpring integration

• ProcessEngine as a Spring bean

• Delegate to Spring beansg p g

<bean id=“printer” …

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Method expressions & JPAMethod expressions & JPA

Decision based on JPA entity property

Spring beanJPA entity property

Process variables

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The Activiti ExperienceThe Activiti Experience

• Satisfy your Activiti itchy y

• One‐stop‐shop downloadOne stop shop download• http://activiti.org

• Demo: “The Activiti Experience”• Do you have an excuse for not• Do you have an excuse for not trying out Activiti tonight?

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